Amoebas are motile protists that move by __________.

a. cilia
b. flagella
c. blades
d. tests
e. pseudopodia


Answer: e. pseudopodia

Biology & Microbiology

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A series of changes in a single lineage of species, without branching to create additional species, is

called

a. cladogenesis. b. paedomorphosis. c. punctuated equilibrium. d. adaptive radiation. e. anagenesis.

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Denaturation of proteins may result in all of

the following EXCEPT a. breakage of hydrogen bonds. b. loss of three-dimensional structure. c. removal of R groups from amino acids. d. alteration of enzyme activity. e. endangerment of a cell's life

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At altitudes above 8,000 feet, the body compensates for the hypoxic condition by ____

a. hyperventilation b. decreased hemoglobin production c. decreased EPO release d. constriction of airways e. faster, shallow breathing

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How many turns of the Krebs cycle (also called the citric acid cycle) are needed to fully breakdown the energy in one glucose molecule?

a) 2 turns b) 1 turn c) 3 turns d) 1.5 turns e) 4 turns

Biology & Microbiology